15011491
Descrição
Quiz por Samielle Baldillo, atualizado more than 1 year ago
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Criado por Samielle Baldillo
quase 6 anos atrás
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Questão 1
Questão
Long hair must be secured to the back of your head.
Responda
- True
- False
Questão 2
Questão
What things do you need to wear before beginning any laboratory exercise?
Responda
-
Goggles
-
Safety apron or a lab coat
-
Gloves
-
All of these
Questão 3
Questão
What should you do if a glass breakage occurs?
Responda
-
Immediately contact your teacher.
-
Leave it where it is without telling anyone.
-
Run out of the classroom.
-
Touch it to see if it is safe.
Questão 4
Questão
What should you maintain in your lab work area?
Responda
-
A messy work space.
-
Lots of food and drink.
-
Chemicals spread all around you.
-
A clean and tidy work space.
Questão 5
Questão
What should you do if a flame from a burner leaps out of the burner toward you?
Responda
-
Touch it with your finger to turn off the fire.
-
Get out of the way and turn the gas off immediately.
-
Touch the flame to see how hot it is.
-
None of these.
Questão 6
Questão
Always point a test tube or bottle that is being heated towards you and others.
Responda
- True
- False
Questão 7
Questão
If you are heating a liquid, what should you NEVER do?
Responda
-
Heat the liquid in an open container.
-
Heat the liquid in a closed container.
-
Add boiling chips to the container.
-
All of these.
Questão 8
Questão
What should you NEVER do if you have heated a container?
Responda
-
Test its temperature.
-
Pick up the container with your hand.
-
Pick up the container with a clamp.
-
All of these
Questão 9
Questão
Never heat a chemical unless instructed to do so.
Responda
- True
- False
Questão 10
Questão
What should you NEVER do in the lab?
Responda
-
Run while holding a beaker with chemicals.
-
Play practical jokes on people.
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Mess around with your friends.
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All of these
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